minor changes.

[bison.git] / doc / bison.texi

diff --git a/doc/bison.texi b/doc/bison.texi
index 6346bf0388b7cdb5e3e0c1e701bb65b8954f13c8..b8a1aa6d5bfe4aa51509bf3e0e3878d58a526955 100644 (file)
--- a/doc/bison.texi
+++ b/doc/bison.texi
@@ -110,7 +110,7 @@ Reference sections:
 * Glossary::            Basic concepts are explained.
 * Copying This Manual:: License for copying this manual.
 * Bibliography::        Publications cited in this manual.
-* Index::               Cross-references to the text.
+* Index of Terms::      Cross-references to the text.
 
 @detailmenu
  --- The Detailed Node Listing ---
@@ -4552,9 +4552,9 @@ code.
 @deffn {Directive} %initial-action @{ @var{code} @}
 @findex %initial-action
 Declare that the braced @var{code} must be invoked before parsing each time
-@code{yyparse} is called.  The @var{code} may use @code{$$} and
-@code{@@$} --- initial value and location of the lookahead --- and the
-@code{%parse-param}.
+@code{yyparse} is called.  The @var{code} may use @code{$$} (or
+@code{$<@var{tag}>$}) and @code{@@$} --- initial value and location of the
+lookahead --- and the @code{%parse-param}.
 @end deffn
 
 For instance, if your locations use a file name, you may use
@@ -4592,11 +4592,11 @@ symbol is automatically discarded.
 @deffn {Directive} %destructor @{ @var{code} @} @var{symbols}
 @findex %destructor
 Invoke the braced @var{code} whenever the parser discards one of the
-@var{symbols}.
-Within @var{code}, @code{$$} designates the semantic value associated
-with the discarded symbol, and @code{@@$} designates its location.
-The additional parser parameters are also available (@pxref{Parser Function, ,
-The Parser Function @code{yyparse}}).
+@var{symbols}.  Within @var{code}, @code{$$} (or @code{$<@var{tag}>$})
+designates the semantic value associated with the discarded symbol, and
+@code{@@$} designates its location.  The additional parser parameters are
+also available (@pxref{Parser Function, , The Parser Function
+@code{yyparse}}).
 
 When a symbol is listed among @var{symbols}, its @code{%destructor} is called a
 per-symbol @code{%destructor}.
@@ -4734,10 +4734,11 @@ Decl, , Freeing Discarded Symbols}).
 @c This is the same text as for %destructor.
 Invoke the braced @var{code} whenever the parser displays one of the
 @var{symbols}.  Within @var{code}, @code{yyoutput} denotes the output stream
-(a @code{FILE*} in C, and an @code{std::ostream&} in C++),
-@code{$$} designates the semantic value associated with the symbol, and
-@code{@@$} its location.  The additional parser parameters are also
-available (@pxref{Parser Function, , The Parser Function @code{yyparse}}).
+(a @code{FILE*} in C, and an @code{std::ostream&} in C++), @code{$$} (or
+@code{$<@var{tag}>$}) designates the semantic value associated with the
+symbol, and @code{@@$} its location.  The additional parser parameters are
+also available (@pxref{Parser Function, , The Parser Function
+@code{yyparse}}).
 
 The @var{symbols} are defined as for @code{%destructor} (@pxref{Destructor
 Decl, , Freeing Discarded Symbols}.): they can be per-type (e.g.,
@@ -5075,7 +5076,7 @@ default location or at the location specified by @var{qualifier}.
 
 @deffn {Directive} %debug
 In the parser implementation file, define the macro @code{YYDEBUG} (or
-@code{@var{prefix}DEBUG} with @samp{%define api.prefix @var{prefix}}), see
+@code{@var{prefix}DEBUG} with @samp{%define api.prefix @var{prefix}}, see
 @ref{Multiple Parsers, ,Multiple Parsers in the Same Program}) to 1 if it is
 not already defined, so that the debugging facilities are compiled.
 @xref{Tracing, ,Tracing Your Parser}.
@@ -8501,8 +8502,8 @@ Prologue}).
 If the @code{%define} variable @code{api.prefix} is used (@pxref{Multiple
 Parsers, ,Multiple Parsers in the Same Program}), for instance @samp{%define
 api.prefix x}, then if @code{CDEBUG} is defined, its value controls the
-tracing feature (enabled iff nonzero); otherwise tracing is enabled iff
-@code{YYDEBUG} is nonzero.
+tracing feature (enabled if and only if nonzero); otherwise tracing is
+enabled if and only if @code{YYDEBUG} is nonzero.
 
 @item the option @option{-t} (POSIX Yacc compliant)
 @itemx the option @option{--debug} (Bison extension)
@@ -11704,8 +11705,8 @@ London, Department of Computer Science, TR-00-12 (December 2000).
 @uref{http://www.cs.rhul.ac.uk/research/languages/publications/tomita_style_1.ps}
 @end table
 
-@node Index
-@unnumbered Index
+@node Index of Terms
+@unnumbered Index of Terms
 
 @printindex cp
 
@@ -11760,10 +11761,11 @@ London, Department of Computer Science, TR-00-12 (December 2000).
 @c LocalWords: toString deftypeivar deftypeivarx deftypeop YYParser strictfp
 @c LocalWords: superclasses boolean getErrorVerbose setErrorVerbose deftypecv
 @c LocalWords: getDebugStream setDebugStream getDebugLevel setDebugLevel url
-@c LocalWords: bisonVersion deftypecvx bisonSkeleton getStartPos getEndPos
+@c LocalWords: bisonVersion deftypecvx bisonSkeleton getStartPos getEndPos uint
 @c LocalWords: getLVal defvar deftypefn deftypefnx gotos msgfmt Corbett LALR's
-@c LocalWords: subdirectory Solaris nonassociativity perror schemas Malloy
-@c LocalWords: Scannerless ispell american
+@c LocalWords: subdirectory Solaris nonassociativity perror schemas Malloy ints
+@c LocalWords: Scannerless ispell american ChangeLog smallexample CSTYPE CLTYPE
+@c LocalWords: clval CDEBUG cdebug deftypeopx yyterminate
 
 @c Local Variables:
 @c ispell-dictionary: "american"